The reason why a catalyst increases the rate of reaction is that, it None of these Increases the activation energy Decreases the energy barrier for reaction Decreases the molecular collision diameter TRUE ANSWER : ? YOUR ANSWER : ?
A trickle bed reactor is the one, which Processes three reactants at different flow rates Has altogether three streams either entering or leaving Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants with same flow rate TRUE ANSWER : ? YOUR ANSWER : ?
For any reaction, we may write conversion as a function of All of these Concentration Temperature Time TRUE ANSWER : ? YOUR ANSWER : ?
With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. Conversion Constant Both A & B Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to None of these Lose a proton Gain an electron Gain a proton TRUE ANSWER : ? YOUR ANSWER : ?
A backmix reactor Is most suitable for gas phase reaction Employs mixing in axial direction only Is same as ideal stirred tank reactor Is same as plug-flow reactor TRUE ANSWER : ? YOUR ANSWER : ?
For series reaction, the relative yield Statement in A is wrong Decreases with increasing conversion Both A and C hold good Is always greater for plug-flow reactor than for the single CSTR of the same volume TRUE ANSWER : ? YOUR ANSWER : ?
For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Chemical reaction Diffusion through ash layer Either A, B or C Film diffusion TRUE ANSWER : ? YOUR ANSWER : ?
The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to m² m 1/m √m TRUE ANSWER : ? YOUR ANSWER : ?
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is Diastase Maltase Invertase Zymase TRUE ANSWER : ? YOUR ANSWER : ?